# FirelensConfiguration
<a name="API_FirelensConfiguration"></a>

The FireLens configuration for the container. This is used to specify and configure a log router for container logs. For more information, see [Custom log routing](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/using_firelens.html) in the *Amazon Elastic Container Service Developer Guide*.

## Contents
<a name="API_FirelensConfiguration_Contents"></a>

 ** type **   <a name="ECS-Type-FirelensConfiguration-type"></a>
The log router to use. The valid values are `fluentd` or `fluentbit`.  
Type: String  
Valid Values: `fluentd | fluentbit`   
Required: Yes

 ** options **   <a name="ECS-Type-FirelensConfiguration-options"></a>
The options to use when configuring the log router. This field is optional and can be used to specify a custom configuration file or to add additional metadata, such as the task, task definition, cluster, and container instance details to the log event. If specified, the syntax to use is `"options":{"enable-ecs-log-metadata":"true|false","config-file-type:"s3|file","config-file-value":"arn:aws:s3:::mybucket/fluent.conf|filepath"}`. For more information, see [Creating a task definition that uses a FireLens configuration](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/using_firelens.html#firelens-taskdef) in the *Amazon Elastic Container Service Developer Guide*.  
Tasks hosted on AWS Fargate only support the `file` configuration file type.
Type: String to string map  
Required: No

## See Also
<a name="API_FirelensConfiguration_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ecs-2014-11-13/FirelensConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ecs-2014-11-13/FirelensConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ecs-2014-11-13/FirelensConfiguration)